CN220492775U - Air duct type heat dissipation structure of handheld motor - Google Patents
Air duct type heat dissipation structure of handheld motor Download PDFInfo
- Publication number
- CN220492775U CN220492775U CN202322139355.6U CN202322139355U CN220492775U CN 220492775 U CN220492775 U CN 220492775U CN 202322139355 U CN202322139355 U CN 202322139355U CN 220492775 U CN220492775 U CN 220492775U
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- air duct
- motor
- fan
- impeller
- wind channel
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 31
- 230000005855 radiation Effects 0.000 claims abstract description 16
- 210000003205 muscle Anatomy 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses an air duct type heat radiation structure of a handheld motor, which comprises a heat radiation part, a fan part and an air duct shell, wherein the heat radiation part comprises a plurality of heat radiation ribs arranged along the circumferential direction of a motor body, the heat radiation part extends longitudinally along the motor body from the rear end of the motor body, the air duct shell is sleeved on the heat radiation part, a first air duct is formed by a gap between the air duct shell and the heat radiation ribs, a second air duct is arranged on the inner wall of the air duct shell, a plurality of through holes are formed in the air duct shell, one end of the air duct shell is connected with the fan part, the fan part is arranged at the rear end of the motor body, the fan part comprises a fan cover and an impeller part, the impeller part is configured to drive air to advance forwards along the plurality of heat radiation ribs, the fan cover is connected on the air duct shell, and the impeller part is positioned in the fan cover. Compared with the prior art, the utility model can solve the problem of poor heat dissipation effect of the existing hand-held tool motor.
Description
Technical Field
The utility model belongs to the technical field of motors, and particularly relates to an air duct type heat dissipation structure of a handheld motor.
Background
The motor can generate heat when running, and in order to reduce the temperature rise, heat dissipation measures such as air cooling, namely ventilation or air blowing heat dissipation can be adopted; water cooling, namely cooling by water and the like; the metal heat dissipation device with good heat conduction effect can be added, and even various modes are adopted simultaneously, the heat dissipation by adopting the heat dissipation device is a part commonly called a heat dissipation rib is added on a motor shell or an end cover, for example, the handheld tool motor heat dissipation structure disclosed in China patent 202120975224.X, wherein wind generated by a fan part can cool the motor and the end part of the heat dissipation part and cannot flow to the surfaces of the motor and the heat dissipation part, so that the wind generated by the fan part is not fully utilized, and the wind waste and the poor heat dissipation effect are caused.
Disclosure of Invention
The utility model aims at: in order to solve the problem of poor heat dissipation effect of the existing handheld tool motor, the air duct type heat dissipation structure of the handheld motor is provided.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a handheld motor wind channel formula heat radiation structure, its includes radiating part, fan part and wind channel shell, radiating part includes a plurality of heat dissipation muscle that arrange along motor body circumference, radiating part follows from motor body's rear end motor body longitudinal extension, wind channel shell cover is established radiating part is last, wind channel shell with clearance between the heat dissipation muscle forms first wind channel, be provided with the second wind channel on the inner wall of wind channel shell, be provided with a plurality of through-holes on the wind channel shell, the one end of wind channel shell links to each other with the fan part, the fan part sets up motor body's rear end, the fan part includes fan housing and impeller part, the impeller part is configured to drive air and follows a plurality of heat dissipation muscle advance, the fan housing is connected on the wind channel shell, the impeller part is located in the fan housing.
As a further description of the above technical solution:
the second air duct is an inclined air duct or a streamline air duct.
As a further description of the above technical solution:
the air duct shell is made of materials with poor heat conducting performance.
As a further description of the above technical solution:
one end of the air duct shell, which is far away from the fan cover, is provided with an inclined plane.
As a further description of the above technical solution:
the impeller component is arranged on a motor shaft inside the motor body.
As a further description of the above technical solution:
the fan component further comprises a fan motor, the impeller component and the motor shaft are arranged separately, and the impeller component drives the impeller component to rotate.
As a further description of the above technical solution:
the impeller component comprises an impeller body, a hub positioned at the center of the impeller body and a plurality of blades uniformly arranged along the periphery of the impeller body.
As a further description of the above technical solution:
the air duct shell is of a sectional structure with the same or different outer diameter sizes.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows: the fan at the tail end of the motor body generates cooling air, the air duct shell is additionally arranged on the heat radiating component, the air duct shell is provided with through holes along the axial direction, and part of heat is radiated along the way, so that the air can be restrained to the surface of the motor and cannot be radiated, and the outside is not influenced and disturbed; the wind can penetrate through the whole motor to the front end of the motor, and the whole motor can be cooled; the inclined air duct or the streamline air duct is adopted, so that the wind flow resistance is reduced; preventing human body from contacting the heat radiation ribs and scalding human body; the air duct shell can be made of materials with poor heat conduction performance such as plastics, and the like, so that the heat is small, and the human body cannot be scalded; prevent that foreign matter such as dust from falling into motor surface and radiator groove to hinder the radiating effect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an air duct type heat dissipation structure of a handheld motor.
Fig. 2 is a schematic structural diagram of an air duct type heat dissipation structure of a handheld motor according to another embodiment.
Fig. 3 is a cross-sectional view of a handheld motor air duct type heat dissipation structure.
Fig. 4 is a schematic structural diagram of an air duct housing in an air duct type heat dissipation structure of a handheld motor.
Fig. 5 is a schematic diagram of a second air duct housing in an air duct type heat dissipating structure of a handheld motor.
Fig. 6 is a schematic diagram of a third embodiment of an air duct housing in an air duct type heat dissipating structure of a handheld motor.
Legend description:
1. a heat radiating member; 2. a fan component; 21. a fan housing; 22. an impeller member; 3. an air duct housing; 4. a motor body; 5. a first air duct; 6. a second air duct; 7. a through hole; 8. an inclined plane; 9. and a motor shaft.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, the present utility model provides a technical solution: the utility model provides a handheld motor wind channel formula heat radiation structure, includes radiating part 1, fan part 2 and wind channel shell 3, radiating part 1 includes a plurality of heat dissipation muscle that arrange along motor body 4 circumference, radiating part 1 is followed from motor body's rear end the motor body 4 longitudinal extension, wind channel shell 3 cover is established on radiating part 1, wind channel shell 3 with clearance between the heat dissipation muscle forms first wind channel 5, be provided with second wind channel 6 on the inner wall of wind channel shell 3, be provided with a plurality of through-holes 7 on the wind channel shell 3, the one end of wind channel shell 3 links to each other with fan part 2, fan part 2 sets up motor body 4's rear end, fan part 2 includes fan housing 21 and impeller part 22, impeller part 22 is configured to drive the air and advances forward along a plurality of heat dissipation muscle, fan housing 21 connects on the wind channel shell 3, impeller part 22 is located in the fan housing 21.
The second air duct 6 is an inclined air duct or a streamline air duct. The wind flow resistance can be reduced.
The air duct housing 3 is made of a material with poor heat conduction performance. The material with poor heat conduction performance can be plastic or ceramic fiber.
The end of the air duct housing 3 remote from the hood 21 has a bevel 8. This is convenient for hand-holding.
In one embodiment, the impeller member 22 is disposed on the motor shaft 9 inside the motor body 4. The impeller component is arranged on the extension of the rear end shaft of the motor, a fan housing is additionally arranged on the impeller component, and the fan housing is fixedly connected with the radiating ribs or the motor main body to prevent human bodies or other foreign matters from contacting the impeller; a filter plate is arranged in the fan housing to prevent fine foreign matters such as dust from entering.
In another embodiment, the fan assembly further includes a fan motor, the impeller assembly 22 and the motor shaft are separately disposed, and the impeller assembly 22 drives the impeller assembly to rotate. Specifically, an independent fan motor is additionally arranged at the rear end of the motor main body to drive an impeller part, a fan cover is additionally arranged on the impeller part, and the fan cover is fixedly connected with the heat dissipation ribs or the motor main body to prevent human bodies or other foreign matters from contacting the impeller; the filter plate is arranged in the cover to prevent fine foreign matters such as dust from entering, and the fan can be directly fixed on the radiating ribs or the motor main body or can be fixed on the fan cover.
The impeller member 22 includes an impeller body, a hub located at the center of the impeller body, and a plurality of blades uniformly disposed along the outer circumference of the impeller body.
The air duct shell is of a sectional structure with the same or different outer diameter sizes. In the scheme, the air duct shell is of a sectional structure with different outer diameter sizes, for example, the front section of the air duct shell is smaller in diameter and the rear section of the air duct shell is larger in diameter.
Working principle: the fan at the tail end of the motor body generates cooling air, the air duct shell is additionally arranged on the heat radiating component, the air duct shell is provided with through holes along the axial direction, and part of heat is radiated along the way, so that the air can be restrained to the surface of the motor and cannot be radiated, and the outside is not influenced and disturbed; the wind can penetrate through the whole motor to the front end of the motor, and the whole motor can be cooled; the inclined air duct or the streamline air duct is adopted, so that the wind flow resistance is reduced; preventing human body from contacting the heat radiation ribs and scalding human body; the air duct shell can be made of materials with poor heat conduction performance such as plastics, and the like, so that the heat is small, and the human body cannot be scalded; prevent that foreign matter such as dust from falling into motor surface and radiator groove to hinder the radiating effect.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (8)
1. The utility model provides a handheld motor air duct formula heat radiation structure, its characterized in that includes radiator unit (1), fan unit (2) and wind channel shell (3), radiator unit (1) is including a plurality of heat dissipation muscle that arrange along motor body (4) circumference, radiator unit (1) follow motor body's rear end is followed motor body (4) vertical extension, wind channel shell (3) cover is established on radiator unit (1), wind channel shell (3) with clearance between the heat dissipation muscle forms first wind channel (5), be provided with second wind channel (6) on the inner wall of wind channel shell (3), be provided with a plurality of through-holes (7) on wind channel shell (3), the one end of wind channel shell (3) links to each other with fan unit (2), fan unit (2) set up motor body's (4) rear end, fan unit (2) are including fan housing (21) and impeller part (22), impeller part (22) are configured to drive air and are followed a plurality of heat dissipation muscle are advanced, fan housing (21) are connected on wind channel shell (3) wind channel (21).
2. A handheld motor air duct type heat dissipating structure according to claim 1, wherein the second air duct (6) is an inclined air duct or a streamlined air duct.
3. The air duct type heat dissipation structure of a handheld motor according to claim 1, wherein the air duct housing (3) is made of a material with poor heat conducting property.
4. A hand-held motor air duct type heat radiation structure according to claim 1, characterized in that the end of the air duct housing (3) remote from the fan housing (21) is provided with an inclined surface (8).
5. A hand-held motor air duct type heat radiation structure according to claim 1, characterized in that the impeller member (22) is arranged on a motor shaft (9) inside the motor body (4).
6. The air duct type heat dissipating structure of a hand held motor as recited in claim 1, wherein said fan member further comprises a fan motor, said impeller member (22) and said motor shaft are separately provided, and said impeller member (22) drives said impeller member to rotate.
7. A handheld motor air duct type heat dissipating structure according to claim 1, wherein said impeller member (22) comprises an impeller body, a hub located at the center of said impeller body, and a plurality of blades uniformly arranged along the peripheral direction of said impeller body.
8. A handheld motor air duct type heat radiation structure according to claim 1, characterized in that the air duct housing (3) is a sectional type structure with the same or different outer diameter sizes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322139355.6U CN220492775U (en) | 2023-08-09 | 2023-08-09 | Air duct type heat dissipation structure of handheld motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322139355.6U CN220492775U (en) | 2023-08-09 | 2023-08-09 | Air duct type heat dissipation structure of handheld motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220492775U true CN220492775U (en) | 2024-02-13 |
Family
ID=89829291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322139355.6U Active CN220492775U (en) | 2023-08-09 | 2023-08-09 | Air duct type heat dissipation structure of handheld motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220492775U (en) |
-
2023
- 2023-08-09 CN CN202322139355.6U patent/CN220492775U/en active Active
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